package com.itheima.anno;


import com.itheima.validation.StateValidation;
import jakarta.validation.Constraint;
import jakarta.validation.Payload;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@Constraint(validatedBy = {StateValidation.class})//指定提供校验规则的类
public @interface State {

    //提供校验失败后的提示信息
    String message() default "state参数的值只能是已发布或者草稿";

    //指定分组
    Class<?>[] groups() default {};

    //负载，获取state注解的附加信息
    Class<? extends Payload>[] payload() default {};
}
